QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
                                                                                                           
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DOOWIN CE Certified Pneumatic Air bags Marine Rubber Boat Salvage Airbags

Price Negotiable
Price: USD $800 ~ $10200
MOQ: 1pc
Delivery Time: 2~3 weeks
Brand: DOOWIN MARINE
Product Description
DOOWIN CE Certified Pneumatic Air Bags for Marine Salvage Operations
Marine salvage rubber airbags provide reliable buoyancy solutions for ship launching, salvage operations, and offshore facility recovery. These heavy-duty pneumatic airbags are engineered with lifting belts and shackles for secure handling in demanding marine environments.
DOOWIN Marine salvage airbags in operation
Marine salvage airbags represent the toughest air lifting technology available. They serve as salvage pontoons for supporting docks, floating structures, and excel in shipwreck salvage, floating bridge rescue, and dock construction applications. The robust pneumatic rubber body ensures superior performance in severe environmental conditions.
Compared to traditional steel floats, pneumatic buoyancy airbags offer significant advantages: greater buoyancy assistance with lower economic investment, making them ideal for underwater installation of steel components and ship salvage operations.
Key Features
  • High-tensile outer rubber layer with multiple heavy-duty synthetic-tire-cord layers
  • Vulcanized inner rubber layer for maximum durability and longevity
  • Integrated lifting belts and shackles for secure handling and positioning
  • Safety valves for automatic pressure release in deep water applications
  • Cylindrical balloon design with conical heads and airtight swivel connections
  • Polyester webbing lifting straps with 6:1 safety factor buoyancy rating
  • Superior toughness compared to standard PVC underwater air lift bags
Primary Applications
Marine salvage airbags excel in demanding environments where reliable, controllable buoyancy is essential:
  • Pipeline float-out operations
  • Beach pulls and river crossings
  • Vessel and platform draught reduction in shallow waters
  • Temporary bridge and dock pontoons
  • Heavy-duty salvage operations in severe conditions
Buoyancy Capacity Specifications
Standard marine salvage airbags offer various buoyancy capacities with multiple diameter and length combinations:
Length D=1m D=1.2m D=1.5m D=1.8m D=2m D=2.5m D=3.0m
5m4t6t9t13t16t25t35t
6m5t7t11t15t19t29t42t
7m5t8t12t18t22t34t49t
8m6t9t14t20t25t39t57t
9m7t10t16t23t28t44t64t
10m8t11t18t25t31t49t71t
11m9t12t19t28t35t54t78t
12m9t14t21t31t38t59t85t
13m10t15t23t33t41t64t92t
14m11t16t25t36t44t69t99t
15m12t17t27t38t47t74t106t
16m13t18t28t41t50t79t113t
17m13t19t30t43t53t83t120t
18m14t20t32t46t57t88t127t
19m15t21t34t48t60t93t134t
20m16t23t35t51t63t98t141t
21m16t24t37t53t66t103t148t
22m17t25t39t56t69t108t156t
23m18t26t41t59t72t113t163t
24m19t27t42t61t75t118t170t
25m20t28t44t64t79t123t177t
All Doowin Marine salvage airbags are manufactured and inspected to fully comply with ISO 14409 "Ships and marine technology - ship launching air bags" and IMCA D016, certified by CCS, LR, BV.
DOOWIN Marine salvage airbags with lifting belts and shackles
Advantages of Rubber Marine Salvage Airbags
Rubber marine salvage airbags are constructed with multilayer heavy-duty synthetic-tire-cord layers, making them more sturdy and reliable than PVC air lifting bags commonly used in the diving or marine salvage industry.
  • High Buoyancy Capacity - Salvage rubber airbags create high buoyancy capacity with safer air pressure, ranging from 4t to 300t
  • Deep Water Operation - These marine salvage rubber airbags can be used for deepwater salvage lifting and can be equipped with safety valves
  • Abrasion Resistant - Salvage rubber air bags feature 6-12 plies reinforcement layers to withstand most abrasion and puncture
Structural Design
Marine salvage airbags are equipped with lifting belts and shackles. For larger sizes, we install safety valves that automatically release inner air-pressure when reaching the rated value. You can select the required diameter and effective length for your projects. The specifications shown are standard arrangements, but we can supply other specifications upon request, with buoyancy capacity up to 300 tons.
Custom marine salvage airbag specifications and dimensions
Quality Assurance
From raw materials to highly skilled production processes, our engineering team constantly improves product quality. Our rubber rollers are manufactured and tested to comply with ISO 14409, certified by CCS, LR, DNV.
Marine rubber airbags quality inspection process DOOWIN Marine salvage airbags in practical application

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
Location Xiazhuang Industry Park, Chengyang, Qingdao, China
Contact Person Xiang Sun

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